.page-faq {
  --faq-edge: rgba(61,245,200,.26);
  --faq-soft: rgba(61,245,200,.09);
  --faq-night-line: rgba(61,245,200,.18);
  --faq-card-bg: rgba(10,59,39,.92);
  background: var(--pitch-night);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(5.5rem, 13vw, 7.5rem) 0 2.75rem;
  background:
    radial-gradient(120% 90% at 88% -20%, rgba(61,245,200,.18), transparent 58%),
    radial-gradient(80% 70% at -10% 110%, rgba(226,83,43,.16), transparent 62%),
    var(--pitch-night);
}

.page-faq .crumbs {
  margin-bottom: 1.5rem;
}

.page-faq .crumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .82rem;
}

.page-faq .crumb-link {
  color: var(--sage);
  text-decoration: none;
}

.page-faq .crumb-link:hover,
.page-faq .crumb-link:focus-visible {
  color: var(--mint);
}

.page-faq .crumb-sep {
  margin-right: .35rem;
  color: var(--sage);
}

.page-faq .crumb-current {
  color: var(--mist);
}

.page-faq .faq-frame {
  position: relative;
  padding: clamp(1.35rem, 4.5vw, 2.75rem);
  border: 2px solid var(--faq-edge);
  background: linear-gradient(155deg, rgba(14,91,60,.92), rgba(6,35,24,.97) 62%);
  box-shadow: 10px 10px 0 rgba(0,0,0,.42);
}

.page-faq .faq-frame::before,
.page-faq .faq-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 3px solid var(--point);
  pointer-events: none;
}

.page-faq .faq-frame::before {
  top: -3px;
  left: -3px;
  border-right: 0;
  border-bottom: 0;
}

.page-faq .faq-frame::after {
  right: -3px;
  bottom: -3px;
  border-top: 0;
  border-left: 0;
}

.page-faq .faq-rule {
  height: 12px;
  margin-bottom: 1.5rem;
  background-image: repeating-linear-gradient(90deg, rgba(255,176,32,.75) 0 2px, transparent 2px 16px);
  background-repeat: repeat-x;
  background-size: auto 100%;
}

.page-faq .faq-title {
  margin: 0 0 1rem;
  max-width: 700px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.75rem, 6.4vw, 3.15rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--cream);
}

.page-faq .faq-lede {
  margin: 0 0 1.75rem;
  max-width: 46ch;
  padding-left: 1rem;
  border-left: 3px solid var(--mint);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-faq .faq-stamp {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 1.75rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed rgba(61,245,200,.28);
  font-size: .82rem;
  color: var(--sage);
}

.page-faq .faq-stamp-num {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
}

/* ---------- 横向速览带 ---------- */
.page-faq .faq-band-section {
  padding: 2.75rem 0 2.25rem;
  background: var(--pitch-turf);
  border-top: 2px solid rgba(61,245,200,.22);
  border-bottom: 2px solid rgba(61,245,200,.22);
}

.page-faq .faq-band {
  margin-top: 1.5rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-band .band-track {
  display: flex;
  gap: .9rem;
  padding: .35rem max(1rem, calc((100vw - var(--maxw)) / 2)) 1rem;
}

.page-faq .faq-quick {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  flex: 0 0 78%;
  max-width: 19rem;
  scroll-snap-align: start;
  padding: 1rem 1.1rem 1.1rem;
  border: 2px solid rgba(61,245,200,.24);
  background: var(--pitch-night);
  color: var(--cream);
  text-decoration: none;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.page-faq .faq-quick-no {
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--point);
}

.page-faq .faq-quick-q {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  line-height: 1.3;
  letter-spacing: -.01em;
}

.page-faq .faq-quick-a {
  font-size: .85rem;
  line-height: 1.65;
  color: var(--sage);
}

.page-faq .faq-quick:hover,
.page-faq .faq-quick:focus-visible {
  transform: translateY(-2px);
  border-color: var(--mint);
  box-shadow: 6px 6px 0 rgba(0,0,0,.45);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-main {
  padding: 3.25rem 0 3.5rem;
  background: var(--pitch-night);
}

.page-faq .faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-faq .faq-index-title {
  margin: 0 0 .9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: .82rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-faq .faq-index-list {
  display: flex;
  gap: .5rem;
  margin: 0;
  padding: 0 0 .5rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index-list > li {
  flex: 0 0 auto;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem .9rem;
  border: 1px solid rgba(61,245,200,.35);
  border-radius: var(--radius-pill);
  color: var(--mist);
  text-decoration: none;
  font-size: .9rem;
  white-space: nowrap;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  border-color: var(--mint);
  color: var(--cream);
  background: var(--faq-soft);
}

.page-faq .faq-index-link.is-active {
  border-color: var(--mint);
  color: var(--cream);
  background: rgba(61,245,200,.16);
  box-shadow: inset 3px 0 0 var(--mint);
}

.page-faq .faq-index-no {
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--point);
}

.page-faq .faq-index-count {
  font-size: .74rem;
  color: var(--sage);
}

.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-topic {
  scroll-margin-top: 6.5rem;
}

.page-faq .faq-topic + .faq-topic {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px dashed var(--faq-night-line);
}

.page-faq .faq-topic-head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding-bottom: .8rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--point);
}

.page-faq .faq-topic-no {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--point);
}

.page-faq .faq-topic-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 4.4vw, 1.7rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .faq-topic-lede {
  margin: 0 0 1.25rem;
  max-width: 48ch;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--sage);
}

/* 折叠问答 */
.page-faq .qa {
  margin-bottom: .75rem;
  border: 2px solid rgba(61,245,200,.18);
  background: var(--faq-card-bg);
  transition: border-color .2s ease, box-shadow .2s ease;
}

.page-faq .qa:hover {
  border-color: rgba(61,245,200,.4);
}

.page-faq .qa[open] {
  border-color: var(--mint);
  box-shadow: 5px 5px 0 rgba(0,0,0,.45);
}

.page-faq .qa-q {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .9rem 1rem;
  list-style: none;
  cursor: pointer;
  color: var(--cream);
  font-weight: 600;
  font-size: .96rem;
  line-height: 1.55;
}

.page-faq .qa-q::-webkit-details-marker {
  display: none;
}

.page-faq .qa-q::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--mint);
}

.page-faq .qa[open] .qa-q::after {
  content: "−";
  color: var(--amber);
}

.page-faq .qa-num {
  flex: 0 0 auto;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-faq .qa-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .qa-a {
  padding: .85rem 1rem 1.05rem;
  border-top: 1px dashed rgba(61,245,200,.24);
}

.page-faq .qa-a p {
  margin: 0 0 .6rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .qa-a p:last-child {
  margin-bottom: 0;
}

/* 图注 */
.page-faq .faq-figure {
  margin: 1.75rem 0 0;
  padding: .65rem .65rem 0;
  border: 2px solid var(--faq-edge);
  background: var(--pitch-mid);
  box-shadow: 8px 8px 0 rgba(0,0,0,.4);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-figure-caption {
  padding: .7rem .35rem .85rem;
  font-size: .82rem;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 写信前的准备（奶油块） ---------- */
.page-faq .faq-prepare {
  padding: 3.5rem 0 4rem;
  background: var(--cream);
  color: var(--ink);
}

.page-faq .faq-prepare .eyebrow--ink {
  color: var(--point);
}

.page-faq .section-title--ink {
  color: var(--ink);
}

.page-faq .section-lede--ink {
  color: rgba(26,17,8,.72);
}

.page-faq .faq-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin: 0 0 2.25rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  position: relative;
  padding: 1.1rem 1.1rem 1.25rem;
  background: #fff;
  border: 2px solid var(--ink);
  box-shadow: 5px 5px 0 rgba(26,17,8,.85);
}

.page-faq .faq-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--point) 0 8px, transparent 8px 16px);
}

.page-faq .faq-step-no {
  display: block;
  margin-bottom: .5rem;
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--point);
}

.page-faq .faq-step-title {
  margin: 0 0 .45rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-faq .faq-step-body {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: rgba(26,17,8,.74);
}

.page-faq .faq-contact-grid {
  align-items: start;
  gap: 1.75rem;
}

.page-faq .faq-contact-card {
  padding: 1.5rem 1.35rem 1.6rem;
  background: var(--pitch-night);
  color: var(--cream);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 rgba(26,17,8,.85);
}

.page-faq .faq-contact-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-faq .faq-contact-list {
  margin: 0 0 1rem;
}

.page-faq .faq-contact-item {
  display: grid;
  grid-template-columns: 5.2rem 1fr;
  gap: .65rem;
  padding: .65rem 0;
  border-bottom: 1px dashed rgba(61,245,200,.22);
}

.page-faq .faq-contact-item dt {
  font-size: .8rem;
  color: var(--sage);
}

.page-faq .faq-contact-item dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-faq .faq-contact-item dd .num {
  color: var(--amber);
  font-size: .95rem;
}

.page-faq .faq-contact-note {
  margin: 0 0 1.25rem;
  font-size: .85rem;
  line-height: 1.75;
  color: var(--sage);
}

.page-faq .faq-contact-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-faq .faq-figure--tall {
  margin-top: 0;
  border-color: var(--ink);
  background: #fff;
  box-shadow: 8px 8px 0 rgba(26,17,8,.85);
}

.page-faq .faq-figure--tall .faq-figure-caption {
  color: rgba(26,17,8,.7);
}

.page-faq .faq-prepare-foot {
  margin: 2rem 0 0;
  padding-top: 1.25rem;
  border-top: 2px solid var(--ink);
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(26,17,8,.78);
}

.page-faq .faq-inline-link {
  color: var(--pitch-turf);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--point);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-quick {
    flex: 0 0 15.5rem;
  }

  .page-faq .faq-steps {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 980px) {
  .page-faq .faq-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    gap: 2.75rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 6.5rem;
    align-self: start;
  }

  .page-faq .faq-index-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index-list > li + li {
    margin-top: .5rem;
  }

  .page-faq .faq-index-link {
    border-radius: var(--radius-soft);
    border-left-width: 3px;
    white-space: normal;
  }

  .page-faq .faq-index-name {
    flex: 1 1 auto;
  }

  .page-faq .faq-topic + .faq-topic {
    margin-top: 3.5rem;
    padding-top: 3rem;
  }
}

@media (max-width: 480px) {
  .page-faq .faq-contact-item {
    grid-template-columns: 1fr;
    gap: .2rem;
  }

  .page-faq .faq-frame {
    box-shadow: 6px 6px 0 rgba(0,0,0,.42);
  }

  .page-faq .qa-q {
    font-size: .92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-quick,
  .page-faq .faq-index-link,
  .page-faq .qa {
    transition: none;
  }

  .page-faq .faq-quick:hover {
    transform: none;
  }
}